Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi trinh di snippets" » "hoi tinh di snippets", "doi trinh di snippets", "hoc trinh di snippets", "hoi trinh do snippets", "hoi trinh dien snippets", "hoi trinh dinh snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoi trinh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi trinh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi trinh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi trinh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.